v3.26.1
Cover
Aug. 05, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Aug. 05, 2026
Entity File Number 001-41450
Entity Registrant Name NEXT TECHNOLOGY HOLDING INC.
Entity Central Index Key 0001784970
Entity Tax Identification Number 84-4948289
Entity Incorporation, State or Country Code WY
Entity Address, Address Line One 1376-7 OBA
Entity Address, Address Line Two SAITAMA PREFECTURE GRANDAGE 3, TAKEBASHI 408
Entity Address, City or Town KASUKABE CITY
Entity Address, Country JP
Entity Address, Postal Zip Code 344-0021
City Area Code +81
Local Phone Number 7094081304
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.0000 par value per share
Trading Symbol NXTT
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false